include/crypto/cast6.h

   1 #ifndef _CRYPTO_CAST6_H
   2 #define _CRYPTO_CAST6_H
   3
   4 #include <linux/types.h>
   5 #include <linux/crypto.h>
   6
   7 #define CAST6_BLOCK_SIZE 16
   8 #define CAST6_MIN_KEY_SIZE 16
   9 #define CAST6_MAX_KEY_SIZE 32
  10
  11 struct cast6_ctx {
  12         u32 Km[12][4];
  13         u8 Kr[12][4];
  14 };
  15
  16 int __cast6_setkey(struct cast6_ctx *ctx, const u8 *key,
  17                    unsigned int keylen, u32 *flags);
  18 int cast6_setkey(struct crypto_tfm *tfm, const u8 *key, unsigned int keylen);
  19
  20 void __cast6_encrypt(struct cast6_ctx *ctx, u8 *dst, const u8 *src);
  21 void __cast6_decrypt(struct cast6_ctx *ctx, u8 *dst, const u8 *src);
  22
  23 extern const u32 cast6_s1[256];
  24 extern const u32 cast6_s2[256];
  25 extern const u32 cast6_s3[256];
  26 extern const u32 cast6_s4[256];
  27
  28 #endif